29. Which of the following pairs are mismatched a. marine fish-hyperosmotic regu

Question

29. Which of the following pairs are mismatched a. marine fish-hyperosmotic regulators b. molluscs-isosmotic regulators c. freshwater animals-hyperosmotic regulators d. Marine reptiles-hyposmotic regulators 30. For land dwelling animals total Evaporative Water Loss (EWL) is the result of a. Integumentary water loss b. Respiratory water loss C. Urination d. a and b 31. Freshwater animals tend to a. lose water and gain ions. b. gain water and ions. c. gain water and lose ions. d. lose water and ions

Explanation / Answer

29 (a) Marine fish -Hyperosmotic regulators

Reason: marine fish drink salt water continuously ,water leave the body continuously hence hypoosmotic

30.(d) a and b

Reason:TEWL= sum of cutaneous water loss and respiratory water loss

31.(c) gain water and lose ions

Reason: Freshwater animals tend to gain water by osmosis and lose ions by diffusion.

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